SKU:
MB259
CAS Number : 1303-96-4
Molecular Formula : Na₂B₄O₇.10H₂O
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Borax is a sodium borate salt used to maintain alkaline conditions and stabilize nucleic acids during separation. This Borax source provides the necessary Borate Ion for pH Buffering as a standard Molecular Biology Electrophoresis Reagent and buffer component.
CAS Number : 1303-96-4
Molecular Formula : Na₂B₄O₇.10H₂O


Product Identifier

CAS No. 1303-96-4
EC No. 215-540-4
Molecular Formula Na2B4O7·10H2O
Molecular Weight 381.37
HS Code 2840 20 90
Storage Below 30°C
Shelf life 4 years

Technical Specification

Appearance Colourless or white crystals or powder or solid
Solubility 33.3 mg soluble in 1 mL of water
DNases None detected
RNases None detected
pH (4% in water at 25°C) 9.00-9.60
Calcium (Ca) <= 0.005%
Chloride (Cl) <= 0.001%
Heavy metals (as Pb) <= 0.001%
Iron (Fe) <= 0.0005%
Phosphate (PO4) <= 0.001%
Sulfate (SO4) <= 0.005%
Water insoluble matter <= 0.005%
Assay (NaOH Titration) 99.50 - 105.00%

Safety Information

Hazard Pictogram(s) Hazard Pictogram Health Hazard
Signal Word Danger
Hazard Statement(s) H360FD
Precautionary Statement(s) P201-P280-P308+P313-P405-P501
UN No. Not dangerous goods
Class -
Packing Group -
RTECS VZ2275000
WGK 1
CAS Number : 1303-96-4
Molecular Formula : Na₂B₄O₇.10H₂O
More Information
Product Name Borax
SKU MB259
CAS No 1303-96-4
EC No. 215-540-4
Molecular formula Na₂B₄O₇.10H₂O
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